I've just reproduced this bug on Mint 18.1 with Mate.
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https://bugs.launchpad.net/bugs/1292398
Title:
Second screen position isn't saved from one session to anoth
Same problem here. Ubuntu 14.04 on AMD64 with gnome-
shell-3.10.4-0ubuntu5.
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Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1292398
Title:
multi-monitor : second screen